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Thaisinaiany
@Thaisinaiany
October 2020
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Quanto é Log de 4•raiz de 32 na base 2?
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OliverQuenn
log a^b=b.log a
log a=1 (quando o logaritmando for igual a base entao valor desse log é 1)
a
log 2=1
2
Resolução:
log 4√32=x
²
log 2^2.√2^5=x
²
log 2^2.2^{5/2}=x
²
log 2^{9/2}=x
²
9/2.log 2=x
²
9/2.1=x
9/2=x
x=9/2 #
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Lista de comentários
log a^b=b.log a
log a=1 (quando o logaritmando for igual a base entao valor desse log é 1)
a
log 2=1
2
Resolução:
log 4√32=x
²
log 2^2.√2^5=x
²
log 2^2.2^{5/2}=x
²
log 2^{9/2}=x
²
9/2.log 2=x
²
9/2.1=x
9/2=x
x=9/2 #